105556020511017 has 8 divisors (see below), whose sum is σ = 141221706623424. Its totient is φ = 70130507369648.

The previous prime is 105556020511001. The next prime is 105556020511027. The reversal of 105556020511017 is 710115020655501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105556020511017 - 2⁴ = 105556020511001 is a prime.

It is a super-2 number, since 2×105556020511017² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105556020511027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60043241733 + ... + 60043243490.

It is an arithmetic number, because the mean of its divisors is an integer number (17652713327928).

Almost surely, 2^{105556020511017} is an apocalyptic number.

It is an amenable number.

105556020511017 is a deficient number, since it is larger than the sum of its proper divisors (35665686112407).

105556020511017 is a wasteful number, since it uses less digits than its factorization.

105556020511017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120086485519.

The product of its (nonzero) digits is 52500, while the sum is 39.

The spelling of 105556020511017 in words is "one hundred five trillion, five hundred fifty-six billion, twenty million, five hundred eleven thousand, seventeen".